R/C Tech Forums

Go Back   R/C Tech Forums > General Forums > Nitro Off-Road

Reply
 
Thread Tools Search this Thread
Old 02-24-2009, 07:36 PM   #1
Tech Apprentice
 
Join Date: Nov 2007
Posts: 81
Trader Rating: 1 (100%+)
Default bought my first nova and need help breaking it in

Ok so i just bought my first nova. its a 2007 model year P5X with stnd and turbo head buttons NIB. it has TKO bearings front and rear and modded by JIM HOTTINGER from hot modds!!!! Whats something like this go for? I want to know if i got a good deal or not.

Ok so I want to break this in properly!!! How hard is this motor to tune?
r1nsho is offline   Reply With Quote
Old 02-24-2009, 07:43 PM   #2
Tech Master
 
Mr. Twister's Avatar
 
Join Date: Feb 2009
Location: Hendersonville Tn
Posts: 1,271
Trader Rating: 4 (100%+)
Default

Quote:
Originally Posted by r1nsho View Post
Ok so i just bought my first nova. its a 2007 model year P5X with stnd and turbo head buttons NIB. it has TKO bearings front and rear and modded by JIM HOTTINGER from hot modds!!!! Whats something like this go for? I want to know if i got a good deal or not.

Ok so I want to break this in properly!!! How hard is this motor to tune?

You have a fast sweet easy tuning engine there bud, i would guess anywhere over 375 new, anyway breakin is easy on the nova mill's heat it up before each tank 220 230 and heat cycle the motor for 5 to 7 tanks, and put it on the ground and drive it easy, each tank just go a tic leaner on the hsn, the trick is keeping it around 230, keep foil and a sock over the head to maintain temps, around 12 tanks of breakin and put a easy race tune on it, if you use a bench breakin ignore the abouve.
__________________
Brian Carey
615-838-5373
Tennessee Oval Performance
Check us out on Facebook
Mr. Twister is offline   Reply With Quote
Old 02-24-2009, 07:54 PM   #3
Tech Master
 
jpz_67's Avatar
 
Join Date: Jul 2006
Location: Texas.
Posts: 1,787
Trader Rating: 56 (100%+)
Default

Dont want to start a war but I am a firm believer in this method. Works great for me.
http://www.rbproducts.com/mainEn.php...in%20Procedure
__________________
Agama A215, Futaba, Nitro Pro Fuel, Proline tires, Triton Engines, Savox.
jpz_67 is offline   Reply With Quote
Old 02-24-2009, 07:57 PM   #4
Tech Apprentice
 
Join Date: Nov 2007
Posts: 81
Trader Rating: 1 (100%+)
Default

ok so when you say heat it up do you mean with a hear dryer? I only owned throw aways before this 1. they all ran for a long time but they didnt cost much.
r1nsho is offline   Reply With Quote
Old 02-24-2009, 08:12 PM   #5
Tech Regular
 
Join Date: Aug 2006
Location: So ILL Larry Dean Pope
Posts: 479
Trader Rating: 26 (100%+)
Default

Heat gun, a hair dryer might do the trick. Just be carefull when using a heat gun not to "HEAT" anything else.
__________________
REDLINE RC RACEWAY
ldp787 is offline   Reply With Quote
Old 02-24-2009, 08:21 PM   #6
Tech Regular
 
Timmo's Avatar
 
Join Date: Sep 2008
Location: South Florida
Posts: 498
Trader Rating: 15 (100%+)
Default

You can use this Break-in procedure:

Belongs to Josh Cyrul:

Engine Break-In 101
In the area of engine break-in, there are several different procedures that have been used over the years. Different manufactures, top drivers, and hobby store experts all vary in their opinion as to which is best. Over the past 10+ years of nitro racing I have found this procedure to give me good results in both areas of on-track performance as well as reliability.

Install the new engine into your chassis complete with clutch and ready to go as if you were going to race. Take a screwdriver, glow igniter, starter box, and a full bottle of fuel to a remote area where you won't annoy anyone with a running engine. Start your engine and allow it to warm up with several short ½ throttle “blips”. Once your engine has some temperature in it you can begin the break-in process. Start by opening the top end needle 1 full turn. Open the carburetor to full throttle and hold it there. Open the top end needle until the engine flames out. From here, close the top end needle ¼ turn and restart the engine again running it at full throttle. Run the engine full throttle for 3 tanks and shut the engine down.

Allow the engine to cool for 15-30 minutes. Once the engine has cooled down, run through the same process again for two additional tanks. On the third tank close the top end needle by ¼ of a turn. Instead of holding the engine at full throttle, start using the throttle by doing 2-3 second bursts of full throttle. Once you have done this for ½ of the tank close the top end needle another ¼ of a turn and continue throttling the engine. Continue closing the top end needle ¼ turn per every ½ tank of fuel. Do this until you have run a grand total of 8 tanks through your engine and then shut the engine down.

Allow the engine to cool for 15-30 minutes and then you are ready to hit the race track. Drive two tanks rich around the track slowly closing the top end needle sneaking up on that perfect mixture. At the end of the second tank your engine should be tuned to race speed. This will give you a total of 10 tanks of fuel through your engine before you really start to lean the mixture for ultimate power.

The reasoning behind this break-in procedure is that there is always a large volume of fuel flowing through the engine. Large volume of fuel means plenty of oil and lubrication for the break in process. This also helps flush out any burrs or small pieces of material that may have been left over from the manufacturing of the engine. Also, the engine has a load placed on it by trying to cycle all of the fuel through it – somewhat similar to the load that you will put on it out on the track when you try to power your car around the track. Last, the engine is broke in with rpm – if you break the engine in at idle then you will not be seating the piston, sleeve, and connecting rod at anywhere near the rpm that it will have to be ready for out on the race track.

This is the procedure that I have used with good success over the years of nitro racing. When I've hurried the break-in process I have had some engines last 30 minutes to 4 hours of racing. When I've taken my time and run through this process I've run engines as long as 16 hours of racing!! Yep, same piston and sleeve!!!! Be patient and have fun!!

Good Luck!!
Josh Cyrul
CEFX
Timmo is offline   Reply With Quote
Old 02-25-2009, 05:57 AM   #7
Tech Addict
 
Miller_Time's Avatar
 
Join Date: Jan 2008
Location: Charlotte, NC
Posts: 678
Trader Rating: 11 (92%+)
Default

That's the first time I've ever heard a break-in plan that includes constant full throttle on the first tank Is that really correct? Seems a bit dangerous to me.
__________________
www.HobbyStop.com
Miller_Time is offline   Reply With Quote
Old 02-25-2009, 06:00 AM   #8
Tech Master
 
rcbo's Avatar
 
Join Date: Jan 2008
Posts: 1,088
Trader Rating: 44 (100%+)
Default

It will bog real bad and not get any rpm.
rcbo is offline   Reply With Quote
Old 02-25-2009, 06:31 AM   #9
Tech Master
 
rearviewmirror's Avatar
 
Join Date: Nov 2008
Location: Melbourne / Austin
Posts: 1,844
Trader Rating: 17 (100%+)
Send a message via AIM to rearviewmirror Send a message via Yahoo to rearviewmirror
Default

Quote:
Originally Posted by Miller_Time View Post
That's the first time I've ever heard a break-in plan that includes constant full throttle on the first tank Is that really correct? Seems a bit dangerous to me.
The engine is so rich you need full throttle to keep it running. Several track locals use this procedure.
__________________
ARCTIC DOG RACING (Nitro free since 2009)

"Straights are for fast cars, curves are for fast drivers...."

8ight-E / 8ight-TE / T4 / Slash
rearviewmirror is offline   Reply With Quote
Old 02-25-2009, 06:51 AM   #10
Tech Fanatic
 
wallot's Avatar
 
Join Date: Jan 2009
Location: Czech Republic
Posts: 870
Default

very rich HSN limits the engine RPMs and keeps it lubricated well so its safe
__________________
DEX408 - Speed Passion Silver Arrow v2, LRP Dynamic 8
Dex410 V3 - Tekin RS Pro, 7.5t Redline
F1-09 - Tekin RS Pro, 17.5t Redline
Sakura Zero S - LRP Quantum, Saturn 20T
KoPropo Eurus
wallot is offline   Reply With Quote
Old 02-25-2009, 05:26 PM   #11
Tech Fanatic
 
BIG RE's Avatar
 
Join Date: Jan 2008
Location: Redding CA
Posts: 858
Trader Rating: 32 (100%+)
Default

that's what I do, about 2 years ago, a guy at RB told me to try that out, and since, I have broken in a nova, an rb, 4 os speeds, and my buddy has done 3-4 engines like that, and they all scream and have had great lifespans.
BIG RE is offline   Reply With Quote
Old 02-25-2009, 05:47 PM   #12
Tech Fanatic
 
r1harper's Avatar
 
Join Date: Nov 2003
Location: purvis, ms
Posts: 968
Trader Rating: 24 (100%+)
Default

that is how i do it on a break in bench...WOT..
__________________
TEAM AKA-RCAMERICA- Novarossi, Fusion Motorsports, W.E.D Custom Paint-Byron's Fuel - Blue Groove


JESUS SAVES, WESLEY
r1harper is offline   Reply With Quote
Reply



Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are Off



All times are GMT -7. It is currently 06:47 AM.


Powered By: vBulletin v3.9.2.1
Privacy Policy | Terms of Use | Advertise Content © 2001-2011 RCTech.net